The flight distance from San Francisco International Airport (SFO) in San Francisco, United States to Thunder Bay Airport (YQT) in Thunder Bay, Canada is 2,913 kilometers (1,810 miles / 1,573 nautical miles). The estimated flight time for this route is approximately 4h, flying northeast at a heading of 55°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting United States with Canada. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 18:23 in San Francisco, it's 21:23 in Thunder Bay. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Thunder Bay (YQT) to San Francisco (SFO) follows a heading of 258° (west southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the San Francisco International Airport (SFO) and Thunder Bay Airport (YQT) detail pages, or use our flight duration calculator to compare other routes.